How Many Resonance Structures Can Be Written for the NO₃^-

question 121

Multiple Choice

How many resonance structures can be written for the NO₃^- ion in which the nitrogen atom bears a formal charge of +1?

• A)1
• B)2
• C)3
• D)4
• E)5

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Definitions:

Double Helix

The structure of DNA, characterized by two strands coiled around each other, forming a shape similar to a twisted ladder, responsible for genetic inheritance.

Chorionic Villus Sampling

A prenatal test that involves taking a sample of the chorionic villi cells from the placenta to test for genetic abnormalities in the fetus.

Amniotic Sac

A fluid-filled sac that surrounds and protects the embryo or fetus in the uterus.

Double Helix

The structure formed by double-stranded molecules of nucleic acids such as DNA, characterized by a twisted ladder-like appearance.